[PATCH v12 1/5] dt-bindings: Introduce QCOM Sleep stats bindings

Maulik Shah
2021-10-13T06:38:53Z

From: Mahesh Sivasubramanian <msivasub@codeaurora.org>

Add device binding documentation for Qualcomm Technologies, Inc. (QTI)
Sleep stats driver. The driver is used for displaying Sleep statistic maintained
by Always On Processor or Resource Power Manager.

Cc: devicetree@vger.kernel.org
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
.../devicetree/bindings/soc/qcom/qcom-stats.yaml | 47 ++++++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml
new file mode 100644
index 0000000..99dff7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom-stats.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. (QTI) Stats bindings
+
+maintainers:
+ - Maulik Shah <mkshah@codeaurora.org>
+
+description:
+ Always On Processor/Resource Power Manager maintains statistics of the SoC
+ sleep modes involving powering down of the rails and oscillator clock.
+
+ Statistics includes SoC sleep mode type, number of times low power mode were
+ entered, time of last entry, time of last exit and accumulated sleep duration.
+
+properties:
+ compatible:
+ enum:
+ - qcom,rpmh-stats
+ - qcom,rpm-stats
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ # Example of rpmh sleep stats
+ - |
+ sram@c3f0000 {
+ compatible = "qcom,rpmh-stats";
+ reg = <0x0c3f0000 0x400>;
+ };
+ # Example of rpm sleep stats
+ - |
+ sram@4690000 {
+ compatible = "qcom,rpm-stats";
+ reg = <0x04690000 0x10000>;
+ };
+...
--
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of Code Aurora Forum, hosted by The Linux Foundation